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Download full textMuthen, Bengt – 1988
This paper discusses new psychometric analyses that improve capabilities for relating performance on achievement test items to instruction received by examinees. The modeling discussion is closely tied to data for eighth graders in the United States provided by the Second International Mathematics Study (SIMS), comprising not only responses to a…
Descriptors: Achievement Tests, Elementary Education, Elementary School Students, Grade 8
Rock, Donald A.; And Others – 1985
The Educational Testing Service (ETS) was contracted by the National Center for Education Statistics to investigate changes in tested achievement using cross-sectional comparisons between the 1972 National Longitudinal Study (NLS) seniors and the 1980 High School and Beyond (HSB) senior cohort. The ETS is also responsible for estimating the extent…
Descriptors: Achievement Tests, Cohort Analysis, Comparative Testing, Ethnicity
